Year	Index
1997-01-01	0.061962
1998-01-01	-0.019420
1999-01-01	-0.018519
2000-01-01	-0.002439
2001-01-01	-0.015633
2002-01-01	-0.024854
2003-01-01	-0.024702
2004-01-01	-0.025371
2005-01-01	-0.021518
2006-01-01	-0.015366
2007-01-01	-0.004260
2008-01-01	0.004064
2009-01-01	-0.000670
2010-01-01	-0.015501